Fix go make target (#22)
Fix go make target (#22)

should be 
```
go build -tags netgo -tags node $(GOBIN).go
```
instead of 
```
go build -tags netgo node $(GOBIN).go
```
googlearchive/cloud-functions-go,googlearchive/cloud-functions-go,googlearchive/cloud-functions-go,googlearchive/cloud-functions-go,googlearchive/cloud-functions-go